A Fluoride Action Network appeal asking readers to help fluoridation opponents in Portland, Oregon and Wichita, Kansas, arguing the ADA, Pew Charitable Trusts and Delta Dental have concentrated their lobbying on the largest cities without fluoridation.
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Environment
Farming, agriculture and the environmental side of the food system.
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Environment
Ethics Journal Reports: Fluoridation - Unethical, Risky, Benefits Doubtful, Poor Most Harmed
Public health professor Niyi Awofeso argues in Public Health Ethics that artificial water fluoridation lacks ethical justification, citing questionable effectiveness, fluorosis among poor children, and reports of hypothyroidism and bone fractures.
Environment
Bisphenol A (BPA) linked to higher coronary heart disease risk
A Circulation case-control study of 758 coronary artery disease patients and 861 controls linked each 4.56 ng/mL rise in urinary BPA to 11 to 13 percent higher risk of the disease, depending on which risk factors researchers adjusted for.
Environment
The Type of Flooring You Want to Seriously Think About Before Installing
Swedish researchers found higher levels of certain phthalates in the urine of babies whose bedrooms had PVC flooring, and concluded that soft PVC flooring may increase human uptake of phthalates. The chemicals soften plastics and rank among the most pervasive endocrine disrupters found so far.
Environment
The Sad Truth About a Beverage You "Should" Drink Every Day
Guy Wagner's fluoride documentary "An Inconvenient Tooth" premiered in Portland the day the City Council held a hearing on fluoridating the water. Mayor Sam Adams called fluoride a matter of health equity; opponents objected to a Council vote after fluoridation lost at the ballot box.
Environment
Fluoride causes insulin resistance
Argentinian researchers gave rats water containing 0, 1, 5 or 15 ppm fluoride for 60 days. Glucose tolerance tests came out the same in every group, but plasma insulin rose with fluoride concentration in both healthy rats and rats with induced renal insufficiency.
Environment
Fluoride damages memory, but selenium may help reduce the damage
Chinese researchers gave male mice sodium fluoride for eight weeks and recorded worse Y-maze learning along with thinner post-synaptic density and wider synaptic clefts in the hippocampus. A moderate dose of selenium cut the damage, while a high concentration added toxicity of its own.
Environment
Fluoridation in dirnking water linked to increased risk of many cancers
A Journal of Epidemiology study matched cancer rates in nine US communities covering 21.8 million people from 1978 to 1992 against the share drinking fluoridated water, and found positive associations at 23 of 36 body sites, including oral cavity, colon and rectum, liver and urinary organs.
Environment
Risk factors for dementia like Alzheimer's, Parkinson disease
A review in Neurologia finds strong evidence tying pesticide exposure, hypertension, high cholesterol, high homocysteine, smoking, head injury and depression to Alzheimer's disease, and pesticides to Parkinson disease, with weaker evidence for aluminium, diabetes and midlife obesity.
Environment
BPA linked to obesity
Among 3,390 Chinese adults aged 40 and older, those with the most BPA in their urine were 50 percent more likely to be obese, 28 percent more likely to have abdominal obesity and 37 percent more likely to have insulin resistance than those with the least.
Environment
Breast cancer linked to night shift work
A Danish case-control study of 18,551 female military employees found women who ever worked night shifts were 40 percent more likely to develop breast cancer. Risk rose with cumulative exposure, and women with a morning preference on intense night shifts fared worst.
Environment
Children's exposure to cell phone radiation greatly underestimated
Om Gandhi and colleagues argue cell phone SAR ratings understate real exposure because they are measured on a mannequin modeled on the largest 10 percent of 1989 US military recruits. Smaller heads, including children's, absorb more radiofrequency energy.
Environment
Fluoride causes dental and skeletal fluorosis - new review
An Indian review in the Journal of Clinical and Diagnostic Research holds that trace fluoride helps prevent dental caries but chronic high intake through drinking water causes dental and skeletal fluorosis. The authors also cite studies tying fluoride to lower IQ in children.
Environment
Breaking news: Fluoride stunts neurological development in children
Harvard researchers pooled 27 epidemiological studies and reported at an ISEE conference that children in high-fluoride areas scored significantly lower on IQ tests than those in low-fluoride areas, a difference of 0.45 point, concluding fluoride adversely affects children's neurodevelopment.
Environment
BPA and Narrowed Arteries: New Study Links Plastics Chemical with Coronary Artery Stenosis
Researchers measured urinary BPA and artery narrowing in close to 600 people and found higher BPA levels tied to greater risk of severe stenosis. The authors say human experiments are not feasible but call the accumulating evidence strong enough to treat BPA as a heart risk factor.
Environment
Radiation from Fukushima
Samples from the basement of Fukushima's reactor 1 showed radiation up to 10,300 millisieverts an hour, enough for workers to reach their annual dose in 20 seconds. Another reactor building holding spent fuel is tilting and bulging, and demolition is estimated to take four decades.
Environment
Injuries from Batteries Among Children Aged <13 Years — United States, 1995–2010
CPSC analysis of national injury data estimates 40,400 children under 13 were treated in emergency departments for battery-related injuries from 1997 to 2010, nearly three quarters of them aged 4 or younger. Fourteen deaths since 1995 all involved button batteries.
Environment
The Soap You Should Never Use -- But 75% of Households Do
In a UC Davis study, one dose of triclosan cut heart muscle function in mice by 25 percent and grip strength by 18 percent, and an everyday-level dose disrupted isolated human heart and skeletal muscle cells. The FDA says triclosan is not currently known to be hazardous to humans.
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